docs: generate new samples/README.md, README.md (#268)

* Add README with instructions to run v3 translate

* Remove extra blank line

* docs: generate new samples/README.md, README.md

* docs: finish porting over changes to samples/README.md

* docs: add issue tracker link

* chore: address code review

* Move region tag

Author: bcoe

translate/package.json

@@ -8,7 +8,8 @@
     "node": ">=8"
   },
   "scripts": {
-    "test": "mocha --recursive --timeout 90000"
+    "test": "mocha --recursive --timeout 90000",
+    "test-v3": "mocha ./test/v3beta1/*.js"
   },
   "dependencies": {
     "@google-cloud/automl": "^1.0.0",

translate/quickstart.js

@@ -15,10 +15,10 @@
 
 'use strict';
 
-// [START translate_quickstart]
-async function quickstart(
+async function main(
   projectId = 'YOUR_PROJECT_ID' // Your GCP Project Id
 ) {
+  // [START translate_quickstart]
   // Imports the Google Cloud client library
   const {Translate} = require('@google-cloud/translate');
 
@@ -39,4 +39,4 @@ async function quickstart(
 // [END translate_quickstart]
 
 const args = process.argv.slice(2);
-quickstart(...args).catch(console.error);
+main(...args).catch(console.error);